Princess Luna's sister returns after 1000 years on the moon and Twilight sparkle will do everything in her power to stop her and defend her country and her mother.
Celestia and Luna weren't always royalty, or alicorns. This is the story of how Starswirl the Bearded's spell caused all of the villains, alicorns, and everypony else to fulfill their destinies.
How blessed are the lives of the dead. They exist solely to present the blissful peace of rest eternal. Rest is my most prized commodity, now. For, when in Reba, there is no rest. I am Princess Luna, lord of the night sky, for me, there is no rest
Tiffany "Twilight" Sparkle always thought of friends as a waste of time, at least until she was forced to team up with five strangers in order to stop Nightmare Moon.
Since Twilight helped Luna in Nightmare Night, Luna has started to develop feelings of love for the unicorn, and she wants to confess what she feels. But first, she must eliminate anypony that is close to Twilight.
Nightmare Moon is reborn into Scootaloo. The most powerful reincarnation yet, Nightmare Moon plans an attack on Canterlot to raise the moon for the final time.
Nightmare Moon and Nightmare Rarity return to Earth. Nightmare Moon aims to cause eternal night and Nightmare Rarity as well, but she also intends to try again to conquer Nightmare Moon. Will she succeed in winning Nightmare Moon's heart this time?
With the defeat of Malgus and his empire, Charming Thunder along with Starswirl the Bearded brought back the Crystal Knights. Now the essence of Nightmare Moon returns and posseses Charming Thunder and plots her revenge.
After Twilight Sparkle tells the Princesses of Equestria an alternate universe where everything is the opposite, Celestia and Luna are curious and decide to visit this alternate universe.
Twilight Sparkle feels sad and betrayed by her friends, Spike, brother and mentor after they have ignored the warnings that Cadence was evil. Nightmare, feel these negative feelings in the unicorn and see an opportunity.